TM 55-1945-205-24-20313 00 40313 002.Test each colored wire (5) separately, keeping the opposite end connected to metal housing (6) of temperature switch (1).WARNING3.Fill a small glass beaker with crankcase oil.WARNING4.Place temperature switch (1) and an industrial thermometer in the beaker of oil.WARNINGDo not use an open flame as a heat source. Failure to observe these precautions could result in serious injury to personnel.5.Using an external heat source, slowly warm the oil.6.The temperature switch readings should match the readings in the table below.7.If temperature readings vary from those in the table above, replace temperature switch.Wire ColorSwitch ClosedSwitch OpenTan203 + 6°F(95 + 3°C)170 +15°F (77 +9° C)116 Tan/Blue240 +6°F (116+4°C)207 +15°F (97 + 9° C)White/Black105 +3°F (41 + 2° C)90 +3°F (32 + 2° C)
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